A keychain multi-tool is a compact, transportable toolset designed to be hooked up to a keychain. It sometimes consists of quite a lot of instruments, reminiscent of pliers, screwdrivers, knives, and scissors. Keychain multi-tools are in style as a result of they’re handy to hold and can be utilized for quite a lot of duties, from on a regular basis repairs to emergencies.
Keychain multi-tools have a protracted historical past. The primary identified keychain multi-tool was invented within the nineteenth century by a Swiss watchmaker named Karl Elsener. Elsener’s software included a knife, a screwdriver, and a pair of pliers. Over time, keychain multi-tools have developed to incorporate a wider vary of instruments and options. In the present day, there are keychain multi-tools obtainable that embody every little thing from flashlights to USB drives.
